FAT CW/CS

A special type of inverter is systems for powering asynchronous motors – FAT. These inverters are characterised by frequency control of motor speed.

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Product description

The compact wall-mounted (CW) inverter is attached to the wall using the brackets supplied with the unit, while the compact standing (CS) drive inverter is fitted with a floor-mounted base.

 

Despite its small size and simple design, the system is fully functional. The inverters operate on-line. As the FAT systems can be supplied with DC voltage from the DC switchgear, they are used to power, for example, emergency pumps in power and heating plants. They can be equipped with an overhaul bypass and a SAN 7 type automatic monitoring system.

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The application of the FAT system brings the following benefits:

  •  ensuring the uninterruptible operation of system-critical equipment that is sensitive to power failures and whose disconnection (caused by a mains power failure) could result in significant material damage
  • optimisation of the system’s operating parameters by adjusting the engine speed (power) – possibility of reducing the energy demand under certain operating conditions
  • providing a soft start for the motor – reducing the current surges in the motor supply circuits while reducing the shock torques on the motor shaft

Features

Frequency control of motor rotation
Soft motor start (frequency control)
Low ripple and low THDi of the battery current
Uninterruptible battery switch-over
Over-voltage, over-current, short-circuit protection
Electromagnetic immunity
Remote signalling of alarm conditions
SAN 7 monitoring system
Repair bypass
Data archiving and events buffer
220 VDC or 24 VDC control voltage can be supplied

Technical specifications

Design type

Compact wall-mounted (FAT CW)

Compact standing (FAT CS)

ELECTRICAL PARAMETERS
Power, kW

1-5

Power supply voltage, VDC

24/48/110/220

Power supply voltage, VAC

380/400/415

Output voltage, VAC

3-phase

Output voltage, VAC

3×380/3×400

Frequency of input voltage, Hz

50

Frequency control range of the output voltage, Hz

0-50

Scope of cosφ characterising load

0.6-1

Overload capacity

2xIn for 5 s

CONFIGURATION
Repair bypass

Optional

Working with controllers

Standard

SAN Automatic monitoring system

Optional

ACCESSORIES
RS485 MODBUS RTU; IEC interface

Optional

Control voltage, VDC

220 / 24

Available language versions

PL | EN | RUS | CZ

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You are welcome to contact us if you have questions or are interested in our offer.


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